=: cannot open `=' (No such file or directory) =: cannot open `=' (No such file or directory) Expected to find class "App\Form\LessonType" in file "/www/htdocs/w0195fef/projects/sb/src/Form/LessonType.php" while importing services from resource "../src/", but it was not found! Check the namespace prefix used with the resource in /www/htdocs/w0195fef/projects/sb/config/services.yaml (which is being imported from "/www/htdocs/w0195fef/projects/sb/src/Kernel.php"). (500 Internal Server Error)

Symfony Exception

Symfony Docs

InvalidArgumentException LoaderLoadException

HTTP 500 Internal Server Error

Expected to find class "App\Form\LessonType" in file "/www/htdocs/w0195fef/projects/sb/src/Form/LessonType.php" while importing services from resource "../src/", but it was not found! Check the namespace prefix used with the resource in /www/htdocs/w0195fef/projects/sb/config/services.yaml (which is being imported from "/www/htdocs/w0195fef/projects/sb/src/Kernel.php").

Exceptions 2

Symfony\Component\Config\Exception\ LoaderLoadException

in /www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/FileLoader.php (line 177)
  1. // prevent embedded imports from nesting multiple exceptions
  2. if ($e instanceof LoaderLoadException) {
  3. throw $e;
  4. }
  6. throw new LoaderLoadException($resource, $sourceResource, 0, $e, $type);
  7. }
  8. }
  10. return null;
  11. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/FileLoader.php -> doImport (line 82)
  1. }
  3. $ret = [];
  4. $isSubpath = 0 !== $i && str_contains(substr($resource, 0, $i), '/');
  5. foreach ($this->glob($resource, false, $_, $ignoreErrors || !$isSubpath, false, $excluded) as $path => $info) {
  6. if (null !== $res = $this->doImport($path, 'glob' === $type ? null : $type, $ignoreErrors, $sourceResource)) {
  7. $ret[] = $res;
  8. }
  9. $isSubpath = true;
  10. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/FileLoader.php -> import (line 78)
  1. throw new \TypeError(\sprintf('Invalid argument $ignoreErrors provided to "%s::import()": boolean or "not_found" expected, "%s" given.', static::class, get_debug_type($ignoreErrors)));
  2. }
  4. ++$this->importing;
  5. try {
  6. return parent::import(...$args);
  7. } catch (LoaderLoadException $e) {
  8. if (!$ignoreNotFound || !($prev = $e->getPrevious()) instanceof FileLocatorFileNotFoundException) {
  9. throw $e;
  10. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/Configurator/ContainerConfigurator.php -> import (line 67)
  1. }
  3. final public function import(string $resource, ?string $type = null, bool|string $ignoreErrors = false): void
  4. {
  5. $this->loader->setCurrentDir(\dirname($this->path));
  6. $this->loader->import($resource, $type, $ignoreErrors, $this->file);
  7. }
  9. final public function parameters(): ParametersConfigurator
  10. {
  11. return new ParametersConfigurator($this->container);
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php -> import (line 58)
  2. $container->import($configDir.'/{packages}/*.{php,yaml}');
  3. $container->import($configDir.'/{packages}/'.$this->environment.'/*.{php,yaml}');
  5. if (is_file($this->getConfigDir().'/services.yaml')) {
  6. $container->import($configDir.'/services.yaml');
  7. $container->import($configDir.'/{services}_'.$this->environment.'.yaml');
  8. } else {
  9. $container->import($configDir.'/{services}.php');
  10. $container->import($configDir.'/{services}_'.$this->environment.'.php');
  11. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php -> configureContainer (line 208)
  2. $valuePreProcessor = AbstractConfigurator::$valuePreProcessor;
  3. AbstractConfigurator::$valuePreProcessor = fn ($value) => $this === $value ? new Reference('kernel') : $value;
  5. try {
  6. $configureContainer->getClosure($this)(new ContainerConfigurator($container, $kernelLoader, $instanceof, $file, $file, $this->getEnvironment()), $loader, $container);
  7. } finally {
  8. $instanceof = [];
  9. $kernelLoader->registerAliasesForSinglyImplementedInterfaces();
  10. AbstractConfigurator::$valuePreProcessor = $valuePreProcessor;
  11. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/ClosureLoader.php -> {closure:Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait::registerContainerConfiguration():164} (line 35)
  1. parent::__construct($env);
  2. }
  4. public function load(mixed $resource, ?string $type = null): mixed
  5. {
  6. return $resource($this->container, $this->env);
  7. }
  9. public function supports(mixed $resource, ?string $type = null): bool
  10. {
  11. return $resource instanceof \Closure;
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/DelegatingLoader.php -> load (line 37)
  1. {
  2. if (false === $loader = $this->resolver->resolve($resource, $type)) {
  3. throw new LoaderLoadException($resource, null, 0, null, $type);
  4. }
  6. return $loader->load($resource, $type);
  7. }
  9. public function supports(mixed $resource, ?string $type = null): bool
  10. {
  11. return false !== $this->resolver->resolve($resource, $type);
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php -> load (line 164)
  1. }
  2. }
  4. public function registerContainerConfiguration(LoaderInterface $loader): void
  5. {
  6. $loader->load(function (ContainerBuilder $container) use ($loader) {
  7. $container->loadFromExtension('framework', [
  8. 'router' => [
  9. 'resource' => 'kernel::loadRoutes',
  10. 'type' => 'service',
  11. ],
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php -> registerContainerConfiguration (line 600)
  1. }
  3. $container = $this->getContainerBuilder();
  4. $container->addObjectResource($this);
  5. $this->prepareContainer($container);
  6. $this->registerContainerConfiguration($this->getContainerLoader($container));
  8. return $container;
  9. }
  11. /**
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php -> buildContainer (line 487)
  1. });
  2. }
  4. try {
  5. $container = null;
  6. $container = $this->buildContainer();
  7. $container->compile();
  8. } finally {
  9. if ($collectDeprecations) {
  10. restore_error_handler();
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php -> initializeContainer (line 732)
  1. $_ENV['SHELL_VERBOSITY'] = 3;
  2. $_SERVER['SHELL_VERBOSITY'] = 3;
  3. }
  5. $this->initializeBundles();
  6. $this->initializeContainer();
  8. $container = $this->container;
  10. if ($container->hasParameter('kernel.trusted_hosts') && $trustedHosts = $container->getParameter('kernel.trusted_hosts')) {
  11. Request::setTrustedHosts(\is_array($trustedHosts) ? $trustedHosts : preg_split('/\s*+,\s*+(?![^{]*})/', $trustedHosts));
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php -> preBoot (line 170)
  1. }
  3. public function handle(Request $request, int $type = HttpKernelInterface::MAIN_REQUEST, bool $catch = true): Response
  4. {
  5. if (!$this->booted) {
  6. $container = $this->container ?? $this->preBoot();
  8. if ($container->has('http_cache')) {
  9. $this->handlingHttpCache = true;
  11. try {
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php -> handle (line 35)
  1. ) {
  2. }
  4. public function run(): int
  5. {
  6. $response = $this->kernel->handle($this->request);
  8. if (Kernel::VERSION_ID >= 60400) {
  9. $response->send(false);
  11. if (\function_exists('fastcgi_finish_request') && !$this->debug) {
in /www/htdocs/w0195fef/projects/sb/vendor/autoload_runtime.php -> run (line 32)
  1. $app = $app(...$args);
  3. exit(
  4. $runtime
  5. ->getRunner($app)
  6. ->run()
  7. );
require_once('/www/htdocs/w0195fef/projects/sb/vendor/autoload_runtime.php') in /www/htdocs/w0195fef/projects/sb/public/index.php (line 5)
  1. <?php
  3. use App\Kernel;
  5. require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
  7. return function (array $context) {
  8. return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
  9. };

Symfony\Component\DependencyInjection\Exception\ InvalidArgumentException

Expected to find class "App\Form\LessonType" in file "/www/htdocs/w0195fef/projects/sb/src/Form/LessonType.php" while importing services from resource "../src/", but it was not found! Check the namespace prefix used with the resource.

in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/FileLoader.php (line 369)
  1. $classes[$class] = $e->getMessage();
  2. continue;
  3. }
  4. // check to make sure the expected class exists
  5. if (!$r) {
  6. throw new InvalidArgumentException(\sprintf('Expected to find class "%s" in file "%s" while importing services from resource "%s", but it was not found! Check the namespace prefix used with the resource.', $class, $path, $pattern));
  7. }
  9. if (!$r->isTrait()) {
  10. $classes[$class] = null;
  11. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/FileLoader.php -> findClasses (line 129)
  1. throw new InvalidArgumentException('The exclude list must not contain an empty value.');
  2. }
  4. $autoconfigureAttributes = new RegisterAutoconfigureAttributesPass();
  5. $autoconfigureAttributes = $autoconfigureAttributes->accept($prototype) ? $autoconfigureAttributes : null;
  6. $classes = $this->findClasses($namespace, $resource, (array) $exclude, $source);
  8. $getPrototype = static fn () => clone $prototype;
  9. $serialized = serialize($prototype);
  11. // avoid deep cloning if no definitions are nested
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php -> registerClasses (line 714)
  1. if (!\is_string($service['resource'])) {
  2. throw new InvalidArgumentException(\sprintf('A "resource" attribute must be of type string for service "%s" in "%s".', $id, $file));
  3. }
  4. $exclude = $service['exclude'] ?? null;
  5. $namespace = $service['namespace'] ?? $id;
  6. $this->registerClasses($definition, $namespace, $service['resource'], $exclude, $file);
  7. } else {
  8. $this->setDefinition($id, $definition);
  9. }
  11. return null;
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php -> parseDefinition (line 257)
  1. }
  3. $this->isLoadingInstanceof = false;
  4. $defaults = $this->parseDefaults($content, $file);
  5. foreach ($content['services'] as $id => $service) {
  6. $this->parseDefinition($id, $service, $file, $defaults, false, $trackBindings);
  7. }
  8. }
  10. /**
  11. * @throws InvalidArgumentException
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php -> parseDefinitions (line 180)
  1. // services
  2. $this->anonymousServicesCount = 0;
  3. $this->anonymousServicesSuffix = '~'.ContainerBuilder::hash($path);
  4. $this->setCurrentDir(\dirname($path));
  5. try {
  6. $this->parseDefinitions($content, $path);
  7. } finally {
  8. $this->instanceof = [];
  9. $this->registerAliasesForSinglyImplementedInterfaces();
  10. }
  11. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php -> loadContent (line 138)
  1. return null;
  2. }
  4. ++$this->importing;
  5. try {
  6. $this->loadContent($content, $path);
  8. // per-env configuration
  9. if ($this->env && isset($content[$when = 'when@'.$this->env])) {
  10. if (!\is_array($content[$when])) {
  11. throw new InvalidArgumentException(\sprintf('The "%s" key should contain an array in "%s".', $when, $path));
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/FileLoader.php -> load (line 162)
  1. }
  2. }
  3. self::$loading[$resource] = true;
  5. try {
  6. $ret = $loader->load($resource, $type);
  7. } finally {
  8. unset(self::$loading[$resource]);
  9. }
  11. return $ret;
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/FileLoader.php -> doImport (line 82)
  1. }
  3. $ret = [];
  4. $isSubpath = 0 !== $i && str_contains(substr($resource, 0, $i), '/');
  5. foreach ($this->glob($resource, false, $_, $ignoreErrors || !$isSubpath, false, $excluded) as $path => $info) {
  6. if (null !== $res = $this->doImport($path, 'glob' === $type ? null : $type, $ignoreErrors, $sourceResource)) {
  7. $ret[] = $res;
  8. }
  9. $isSubpath = true;
  10. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/FileLoader.php -> import (line 78)
  1. throw new \TypeError(\sprintf('Invalid argument $ignoreErrors provided to "%s::import()": boolean or "not_found" expected, "%s" given.', static::class, get_debug_type($ignoreErrors)));
  2. }
  4. ++$this->importing;
  5. try {
  6. return parent::import(...$args);
  7. } catch (LoaderLoadException $e) {
  8. if (!$ignoreNotFound || !($prev = $e->getPrevious()) instanceof FileLocatorFileNotFoundException) {
  9. throw $e;
  10. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/Configurator/ContainerConfigurator.php -> import (line 67)
  1. }
  3. final public function import(string $resource, ?string $type = null, bool|string $ignoreErrors = false): void
  4. {
  5. $this->loader->setCurrentDir(\dirname($this->path));
  6. $this->loader->import($resource, $type, $ignoreErrors, $this->file);
  7. }
  9. final public function parameters(): ParametersConfigurator
  10. {
  11. return new ParametersConfigurator($this->container);
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php -> import (line 58)
  2. $container->import($configDir.'/{packages}/*.{php,yaml}');
  3. $container->import($configDir.'/{packages}/'.$this->environment.'/*.{php,yaml}');
  5. if (is_file($this->getConfigDir().'/services.yaml')) {
  6. $container->import($configDir.'/services.yaml');
  7. $container->import($configDir.'/{services}_'.$this->environment.'.yaml');
  8. } else {
  9. $container->import($configDir.'/{services}.php');
  10. $container->import($configDir.'/{services}_'.$this->environment.'.php');
  11. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php -> configureContainer (line 208)
  2. $valuePreProcessor = AbstractConfigurator::$valuePreProcessor;
  3. AbstractConfigurator::$valuePreProcessor = fn ($value) => $this === $value ? new Reference('kernel') : $value;
  5. try {
  6. $configureContainer->getClosure($this)(new ContainerConfigurator($container, $kernelLoader, $instanceof, $file, $file, $this->getEnvironment()), $loader, $container);
  7. } finally {
  8. $instanceof = [];
  9. $kernelLoader->registerAliasesForSinglyImplementedInterfaces();
  10. AbstractConfigurator::$valuePreProcessor = $valuePreProcessor;
  11. }
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/ClosureLoader.php -> {closure:Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait::registerContainerConfiguration():164} (line 35)
  1. parent::__construct($env);
  2. }
  4. public function load(mixed $resource, ?string $type = null): mixed
  5. {
  6. return $resource($this->container, $this->env);
  7. }
  9. public function supports(mixed $resource, ?string $type = null): bool
  10. {
  11. return $resource instanceof \Closure;
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/DelegatingLoader.php -> load (line 37)
  1. {
  2. if (false === $loader = $this->resolver->resolve($resource, $type)) {
  3. throw new LoaderLoadException($resource, null, 0, null, $type);
  4. }
  6. return $loader->load($resource, $type);
  7. }
  9. public function supports(mixed $resource, ?string $type = null): bool
  10. {
  11. return false !== $this->resolver->resolve($resource, $type);
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php -> load (line 164)
  1. }
  2. }
  4. public function registerContainerConfiguration(LoaderInterface $loader): void
  5. {
  6. $loader->load(function (ContainerBuilder $container) use ($loader) {
  7. $container->loadFromExtension('framework', [
  8. 'router' => [
  9. 'resource' => 'kernel::loadRoutes',
  10. 'type' => 'service',
  11. ],
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php -> registerContainerConfiguration (line 600)
  1. }
  3. $container = $this->getContainerBuilder();
  4. $container->addObjectResource($this);
  5. $this->prepareContainer($container);
  6. $this->registerContainerConfiguration($this->getContainerLoader($container));
  8. return $container;
  9. }
  11. /**
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php -> buildContainer (line 487)
  1. });
  2. }
  4. try {
  5. $container = null;
  6. $container = $this->buildContainer();
  7. $container->compile();
  8. } finally {
  9. if ($collectDeprecations) {
  10. restore_error_handler();
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php -> initializeContainer (line 732)
  1. $_ENV['SHELL_VERBOSITY'] = 3;
  2. $_SERVER['SHELL_VERBOSITY'] = 3;
  3. }
  5. $this->initializeBundles();
  6. $this->initializeContainer();
  8. $container = $this->container;
  10. if ($container->hasParameter('kernel.trusted_hosts') && $trustedHosts = $container->getParameter('kernel.trusted_hosts')) {
  11. Request::setTrustedHosts(\is_array($trustedHosts) ? $trustedHosts : preg_split('/\s*+,\s*+(?![^{]*})/', $trustedHosts));
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php -> preBoot (line 170)
  1. }
  3. public function handle(Request $request, int $type = HttpKernelInterface::MAIN_REQUEST, bool $catch = true): Response
  4. {
  5. if (!$this->booted) {
  6. $container = $this->container ?? $this->preBoot();
  8. if ($container->has('http_cache')) {
  9. $this->handlingHttpCache = true;
  11. try {
in /www/htdocs/w0195fef/projects/sb/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php -> handle (line 35)
  1. ) {
  2. }
  4. public function run(): int
  5. {
  6. $response = $this->kernel->handle($this->request);
  8. if (Kernel::VERSION_ID >= 60400) {
  9. $response->send(false);
  11. if (\function_exists('fastcgi_finish_request') && !$this->debug) {
in /www/htdocs/w0195fef/projects/sb/vendor/autoload_runtime.php -> run (line 32)
  1. $app = $app(...$args);
  3. exit(
  4. $runtime
  5. ->getRunner($app)
  6. ->run()
  7. );
require_once('/www/htdocs/w0195fef/projects/sb/vendor/autoload_runtime.php') in /www/htdocs/w0195fef/projects/sb/public/index.php (line 5)
  1. <?php
  3. use App\Kernel;
  5. require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
  7. return function (array $context) {
  8. return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
  9. };

Stack Traces 2

[2/2] LoaderLoadException 
Symfony\Component\Config\Exception\LoaderLoadException:
Expected to find class "App\Form\LessonType" in file "/www/htdocs/w0195fef/projects/sb/src/Form/LessonType.php" while importing services from resource "../src/", but it was not found! Check the namespace prefix used with the resource in /www/htdocs/w0195fef/projects/sb/config/services.yaml (which is being imported from "/www/htdocs/w0195fef/projects/sb/src/Kernel.php").

  at /www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/FileLoader.php:177
  at Symfony\Component\Config\Loader\FileLoader->doImport('/www/htdocs/w0195fef/projects/sb/config/services.yaml', null, false, '/www/htdocs/w0195fef/projects/sb/src/Kernel.php')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/FileLoader.php:82)
  at Symfony\Component\Config\Loader\FileLoader->import('/www/htdocs/w0195fef/projects/sb/{config}/services.yaml', null, false, '/www/htdocs/w0195fef/projects/sb/src/Kernel.php')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/FileLoader.php:78)
  at Symfony\Component\DependencyInjection\Loader\FileLoader->import('/www/htdocs/w0195fef/projects/sb/{config}/services.yaml', null, false, '/www/htdocs/w0195fef/projects/sb/src/Kernel.php')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/Configurator/ContainerConfigurator.php:67)
  at Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator->import('/www/htdocs/w0195fef/projects/sb/{config}/services.yaml')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:58)
  at App\Kernel->configureContainer(object(ContainerConfigurator), object(DelegatingLoader), object(ContainerBuilder))
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:208)
  at App\Kernel->{closure:Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait::registerContainerConfiguration():164}(object(ContainerBuilder), 'prod')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/ClosureLoader.php:35)
  at Symfony\Component\DependencyInjection\Loader\ClosureLoader->load(object(Closure), null)
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/DelegatingLoader.php:37)
  at Symfony\Component\Config\Loader\DelegatingLoader->load(object(Closure))
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:164)
  at App\Kernel->registerContainerConfiguration(object(DelegatingLoader))
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php:600)
  at Symfony\Component\HttpKernel\Kernel->buildContainer()
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php:487)
  at Symfony\Component\HttpKernel\Kernel->initializeContainer()
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php:732)
  at Symfony\Component\HttpKernel\Kernel->preBoot()
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php:170)
  at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
  at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
     (/www/htdocs/w0195fef/projects/sb/vendor/autoload_runtime.php:32)
  at require_once('/www/htdocs/w0195fef/projects/sb/vendor/autoload_runtime.php')
     (/www/htdocs/w0195fef/projects/sb/public/index.php:5)
[1/2] InvalidArgumentException 
Symfony\Component\DependencyInjection\Exception\InvalidArgumentException:
Expected to find class "App\Form\LessonType" in file "/www/htdocs/w0195fef/projects/sb/src/Form/LessonType.php" while importing services from resource "../src/", but it was not found! Check the namespace prefix used with the resource.

  at /www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/FileLoader.php:369
  at Symfony\Component\DependencyInjection\Loader\FileLoader->findClasses('App\\', '../src/', array('../src/DependencyInjection/', '../src/Entity/', '../src/Kernel.php', '../src/Controller/_dup_backup/', '../src/Controller/_legacy/'), '/www/htdocs/w0195fef/projects/sb/config/services.yaml')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/FileLoader.php:129)
  at Symfony\Component\DependencyInjection\Loader\FileLoader->registerClasses(object(Definition), 'App\\', '../src/', array('../src/DependencyInjection/', '../src/Entity/', '../src/Kernel.php', '../src/Controller/_dup_backup/', '../src/Controller/_legacy/'), '/www/htdocs/w0195fef/projects/sb/config/services.yaml')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php:714)
  at Symfony\Component\DependencyInjection\Loader\YamlFileLoader->parseDefinition('App\\', array('resource' => '../src/', 'exclude' => array('../src/DependencyInjection/', '../src/Entity/', '../src/Kernel.php', '../src/Controller/_dup_backup/', '../src/Controller/_legacy/')), '/www/htdocs/w0195fef/projects/sb/config/services.yaml', array('autowire' => true, 'autoconfigure' => true), false, true)
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php:257)
  at Symfony\Component\DependencyInjection\Loader\YamlFileLoader->parseDefinitions(array('parameters' => null, 'services' => array('App\' => array('resource' => '../src/', 'exclude' => array('../src/DependencyInjection/', '../src/Entity/', '../src/Kernel.php', '../src/Controller/_dup_backup/', '../src/Controller/_legacy/')), 'App\Command\ValidateLessonImportCommand' => array('arguments' => array('$projectDir' => '%kernel.project_dir%')), 'App\Service\CryptoService' => array('arguments' => array('$appSecret' => '%env(APP_SECRET)%')), 'App\Service\GDPRService' => array('arguments' => array('$em' => '@doctrine.orm.entity_manager', '$security' => '@security.helper')))), '/www/htdocs/w0195fef/projects/sb/config/services.yaml')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php:180)
  at Symfony\Component\DependencyInjection\Loader\YamlFileLoader->loadContent(array('parameters' => null, 'services' => array('_defaults' => array('autowire' => true, 'autoconfigure' => true), 'App\' => array('resource' => '../src/', 'exclude' => array('../src/DependencyInjection/', '../src/Entity/', '../src/Kernel.php', '../src/Controller/_dup_backup/', '../src/Controller/_legacy/')), 'App\Command\ValidateLessonImportCommand' => array('arguments' => array('$projectDir' => '%kernel.project_dir%')), 'App\Service\CryptoService' => array('arguments' => array('$appSecret' => '%env(APP_SECRET)%')), 'App\Service\GDPRService' => array('arguments' => array('$em' => '@doctrine.orm.entity_manager', '$security' => '@security.helper')))), '/www/htdocs/w0195fef/projects/sb/config/services.yaml')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php:138)
  at Symfony\Component\DependencyInjection\Loader\YamlFileLoader->load('/www/htdocs/w0195fef/projects/sb/config/services.yaml', null)
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/FileLoader.php:162)
  at Symfony\Component\Config\Loader\FileLoader->doImport('/www/htdocs/w0195fef/projects/sb/config/services.yaml', null, false, '/www/htdocs/w0195fef/projects/sb/src/Kernel.php')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/FileLoader.php:82)
  at Symfony\Component\Config\Loader\FileLoader->import('/www/htdocs/w0195fef/projects/sb/{config}/services.yaml', null, false, '/www/htdocs/w0195fef/projects/sb/src/Kernel.php')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/FileLoader.php:78)
  at Symfony\Component\DependencyInjection\Loader\FileLoader->import('/www/htdocs/w0195fef/projects/sb/{config}/services.yaml', null, false, '/www/htdocs/w0195fef/projects/sb/src/Kernel.php')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/Configurator/ContainerConfigurator.php:67)
  at Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator->import('/www/htdocs/w0195fef/projects/sb/{config}/services.yaml')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:58)
  at App\Kernel->configureContainer(object(ContainerConfigurator), object(DelegatingLoader), object(ContainerBuilder))
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:208)
  at App\Kernel->{closure:Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait::registerContainerConfiguration():164}(object(ContainerBuilder), 'prod')
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/dependency-injection/Loader/ClosureLoader.php:35)
  at Symfony\Component\DependencyInjection\Loader\ClosureLoader->load(object(Closure), null)
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/config/Loader/DelegatingLoader.php:37)
  at Symfony\Component\Config\Loader\DelegatingLoader->load(object(Closure))
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:164)
  at App\Kernel->registerContainerConfiguration(object(DelegatingLoader))
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php:600)
  at Symfony\Component\HttpKernel\Kernel->buildContainer()
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php:487)
  at Symfony\Component\HttpKernel\Kernel->initializeContainer()
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php:732)
  at Symfony\Component\HttpKernel\Kernel->preBoot()
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/http-kernel/Kernel.php:170)
  at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
     (/www/htdocs/w0195fef/projects/sb/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
  at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
     (/www/htdocs/w0195fef/projects/sb/vendor/autoload_runtime.php:32)
  at require_once('/www/htdocs/w0195fef/projects/sb/vendor/autoload_runtime.php')
     (/www/htdocs/w0195fef/projects/sb/public/index.php:5)